Loans (TDR Number Of Contracts Modified And Recorded Investment) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) contracts	Sep. 30, 2021 USD ($) contracts	Sep. 30, 2022 USD ($) contracts	Sep. 30, 2021 USD ($) contracts
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	43	45	109	158
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 1,906	$ 6,980	$ 3,878	$ 11,410
Loan Modifications on Nonacrrual status	$ 200	$ 4,500	$ 700	$ 6,100
Number of Contracts | contracts	18	21	27	26
Recorded Investment	$ 328	$ 551	$ 478	$ 1,002
Construction Real Estate Retail
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	0	0	0	0
Residential Real Estate Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	1	2	2	5
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 146	$ 221	$ 250	$ 624
Number of Contracts | contracts	1	0	1	0
Recorded Investment	$ 103		$ 103
Residential Real Estate - Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	3	3	11	13
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 665	$ 102	$ 1,092	$ 525
Number of Contracts | contracts	2	4	2	6
Recorded Investment	$ 110	$ 330	$ 110	$ 396
Residential Real Estate Installment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	2	1	9	7
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 29	$ 55	$ 86	$ 120
Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	1	1	3	5
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 10	$ 33	$ 29	$ 186
Number of Contracts | contracts	2	1	4	1
Recorded Investment	$ 9	$ 95	$ 64	$ 95
Construction Real Estate Commercial [Domain]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	0	0	0	1
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification				$ 98
Number of Contracts | contracts	0	0	0	0
PPP loans receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	0	0	0	0
Number of Contracts | contracts	0	0	0	0
Bank Overdrafts
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	0	0	0	0
Number of Contracts | contracts	0	0	0	0
GFSC loans
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	0	0	0	0
Number of Contracts | contracts	0	0	0	0
Check loans
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	0	0	0	0
Number of Contracts | contracts	0	0	0	0
Finance Leases Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	10	0	10	1
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 115		$ 115	$ 351
Commercial Financial Agricultural less PPP and Overdrafts
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	4	5	6	9
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 738	$ 1,251	$ 738	$ 1,282
Number of Contracts | contracts	1	0	2	0
Recorded Investment	$ 3		$ 57
Construction Real Estate - Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	0	0	0	0
Recorded Investment	$ 0	$ 0	$ 0	$ 0
Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	1	5	6	13
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 31	$ 5,053	$ 1,240	$ 7,708
Number of Contracts | contracts	0	0	0	0
Residential Real Estate Installment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	0	1	0	2
Recorded Investment	$ 0	$ 4	$ 0	$ 32
Consumer less GFSC and Check Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Contracts | contracts	21	28	62	104
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 172	$ 265	$ 328	$ 516
Accruing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	952	582	2,394	2,606
Accruing [Member] | Construction Real Estate Retail
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	0	0	0	0
Accruing [Member] | Residential Real Estate Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	146	96	146	96
Accruing [Member] | Residential Real Estate - Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	545	0	870	148
Accruing [Member] | Residential Real Estate Installment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification		55	48	93
Accruing [Member] | Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	0	33	0	80
Accruing [Member] | Construction Real Estate Commercial [Domain]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification				98
Accruing [Member] | Commercial Financial Agricultural less PPP and Overdrafts
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	227	383	227	383
Accruing [Member] | Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	31		1,090	1,571
Accruing [Member] | Consumer less GFSC and Check Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	3	15	13	137
Nonaccrual [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	954	6,398	1,484	8,804
Nonaccrual [Member] | Residential Real Estate Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification		125	104	528
Nonaccrual [Member] | Residential Real Estate - Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	120	102	222	377
Nonaccrual [Member] | Residential Real Estate Installment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	29		38	27
Nonaccrual [Member] | Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	10	0	29	106
Nonaccrual [Member] | Finance Leases Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	115		115	351
Nonaccrual [Member] | Commercial Financial Agricultural less PPP and Overdrafts
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	511	868	511	899
Nonaccrual [Member] | Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification		5,053	150	6,137
Nonaccrual [Member] | Consumer less GFSC and Check Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification	$ 169	$ 250	$ 315	$ 379